java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:38:50,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:50,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:50,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:38:50,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:38:50,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:38:50,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:38:50,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:38:50,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:38:50,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:38:50,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:38:50,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:38:50,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:38:50,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:38:50,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:38:50,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:38:50,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:38:50,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:38:50,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:38:50,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:38:50,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:38:50,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:38:50,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:38:50,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:38:50,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:38:50,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:38:50,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:38:50,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:38:50,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 00:38:50,238 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:50,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:50,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:50,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:50,240 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:50,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:50,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:50,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:50,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:50,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:50,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:50,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:50,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:50,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:50,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:50,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:50,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:50,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:50,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:50,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:50,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:50,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:50,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:50,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:50,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:50,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:50,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:50,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:50,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:38:50,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:50,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:50,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:50,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:50,565 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:50,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-10-14 00:38:50,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b580781/9be88b5a2eb945879edda34f36e3445d/FLAGd2d18185a [2019-10-14 00:38:51,047 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:51,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-10-14 00:38:51,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b580781/9be88b5a2eb945879edda34f36e3445d/FLAGd2d18185a [2019-10-14 00:38:51,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b580781/9be88b5a2eb945879edda34f36e3445d [2019-10-14 00:38:51,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:51,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:51,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:51,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:51,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:51,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c0f806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51, skipping insertion in model container [2019-10-14 00:38:51,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,479 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:51,498 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:51,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:51,692 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:51,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:51,722 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:51,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51 WrapperNode [2019-10-14 00:38:51,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:51,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:51,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:51,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:51,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:51,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:51,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:51,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:51,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:38:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:38:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:52,096 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:52,096 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:38:52,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:52 BoogieIcfgContainer [2019-10-14 00:38:52,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:52,099 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:52,099 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:52,099 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:52,100 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:52" (1/1) ... [2019-10-14 00:38:52,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:52,270 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-14 00:38:52,569 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:38:52,594 INFO L272 AbstractInterpreter]: Visited 24 different actions 37 times. Merged at 8 different actions 8 times. Never widened. Performed 112 root evaluator evaluations with a maximum evaluation depth of 13. Performed 112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 9 fixpoints after 6 different actions. Largest state had 13 variables. [2019-10-14 00:38:52,594 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:52,600 INFO L168 Benchmark]: Toolchain (without parser) took 1133.96 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 118.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:52,602 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 00:38:52,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.61 ms. Allocated memory is still 137.4 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:52,606 INFO L168 Benchmark]: Boogie Preprocessor took 108.00 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.4 MB in the beginning and 179.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:52,608 INFO L168 Benchmark]: RCFGBuilder took 266.06 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 167.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:52,609 INFO L168 Benchmark]: Abstract Interpretation took 496.19 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 118.9 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:52,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.61 ms. Allocated memory is still 137.4 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.00 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.4 MB in the beginning and 179.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.06 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 167.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 496.19 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 118.9 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 61]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L6] int __return_107; [L9] unsigned int main__x; [L10] unsigned int main__y = 1; [L12] int main____CPAchecker_TMP_0; [L13] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L14] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L16] COND TRUE (main__x % 3) == 1 [L18] main__x = main__x + 2 [L19] main__y = 0 [L12] int main____CPAchecker_TMP_0; [L13] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L14] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L52] COND TRUE main__y == 0 [L55] int __tmp_1; [L56] __tmp_1 = (main__x % 3) == 0 [L57] int __VERIFIER_assert__cond; [L58] __VERIFIER_assert__cond = __tmp_1 [L59] COND TRUE __VERIFIER_assert__cond == 0 [L61] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...